#include <fstream>
#include <vector>
#include <math.h>

using namespace std;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int v2[2005];
vector<int>rmq[20];

int main()
{
    int n,x,q,a,b;
    fin>>n>>q;
    rmq[0].push_back(0);
    for(int i=1;i<=n;i++)
    {
        fin>>x;
        rmq[0].push_back(x);
    }
/*  for(int i=1;i<=n;i++)
    {
        fin>>v2[i];
    }*/
    for(int i=1;i<=int(log2(n));i++)
    {
        rmq[i].push_back(0);
        for(int j=1;j<=n-(1<<i)+1;j++)
        {
             rmq[i].push_back(min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]));
        }
    }
    for(int i=1;i<=q;i++)
    {
        fin>>a>>b;
        int dif=b-a+1;
        int lg=int(log2(dif));
        fout<<min(rmq[lg][a],rmq[lg][b-(1<<lg)+1])<<'\n';
    }
    return 0;
}